package Semester_1.javakehoulianxi;

public class dierzhang {
    public static void main(String []args){
        diyiti();
        dierti();
        disanti();
    }
    public static void diyiti(){
        int a=1,b=2,c=a*b;
        System.out.print(c);
    }
    int score=1;
    public static void dierti(){
        int arg=1;
    }
    public static void disanti(){
        int a=3;
        double b=a;
        System.out.print(b/9);
    }
}
